kmx git

Commit	Date	Message
c2e1b058	2015-06-05T18:26:49	Only write index if updated when passing GIT_DIFF_UPDATE_INDEX When diffing the index with the workdir and GIT_DIFF_UPDATE_INDEX has been passed, the previous implementation was always writing the index to disk even if it wasn't modified.
cc605e73	2015-06-23T23:52:03	Merge pull request #3222 from git-up/conflicted Fixed GIT_DELTA_CONFLICTED not returned in some cases
8d8a2eef	2015-06-15T11:14:40	Fixed GIT_DELTA_CONFLICTED not returned in some cases If an index entry for a file that is not in HEAD is in conflicted state, when diffing HEAD with the index, the status field of the corresponding git_diff_delta was incorrectly reported as GIT_DELTA_ADDED instead of GIT_DELTA_CONFLICTED. This was due to handle_unmatched_new_item() initially setting the status to GIT_DELTA_CONFLICTED but then overriding it later with GIT_DELTA_ADDED.
ff475375	2015-06-17T14:34:10	diff: check files with the same or newer timestamps When a file on the workdir has the same or a newer timestamp than the index, we need to perform a full check of the contents, as the update of the file may have happened just after we wrote the index. The iterator changes are such that we can reach inside the workdir iterator from the diff, though it may be better to have an accessor instead of moving these structs into the header.
96dd171e	2015-06-19T08:32:26	diff: preserve original mode in the index When updating the index during a diff, preserve the original mode, which prevents us from dropping the mode to what we have interpreted as on our system (eg, what the working directory claims it to be, which may be a lie on some systems.)
10549a2d	2015-05-19T18:26:04	Introduce `GIT_DIFF_FLAG_EXISTS` Mark the `old_file` and `new_file` sides of a delta with a new bit, `GIT_DIFF_FLAG_EXISTS`, that introduces that a particular side of the delta exists in the diff. This is useful for indicating whether a working directory item exists or not, in the presence of a conflict. Diff users may have previously used DELETED to determine this information.
253a05f7	2015-05-19T11:31:15	diff: prettify `maybe_modified` a little
9f545b9d	2015-05-19T11:23:59	introduce `git_index_entry_is_conflict` It's not always obvious the mapping between stage level and conflict-ness. More importantly, this can lead otherwise sane people to write constructs like `if (!git_index_entry_stage(entry))`, which (while technically correct) is unreadable. Provide a nice method to help avoid such messy thinking.
191e97a0	2015-05-18T18:15:17	diff conflicts: don't include incorrect ID Since a diff entry only concerns a single entry, zero the information for the index side of a conflict. (The index entry would otherwise erroneously include the lowest-stage index entry - generally the ancestor of a conflict.) Test that during status, the index side of the conflict is empty.
7877146f	2015-05-18T15:13:43	diff: for conflicts w/o workdir, blank nitem side Make sure that we provide a blanked nitem side when the item does not exist in the working directory.
7c948014	2015-05-14T14:00:29	diff/status: introduce conflicts When diffing against an index, return a new `GIT_DELTA_CONFLICTED` delta type for items that are conflicted. For a single file path, only one delta will be produced (despite the fact that there are multiple entries in the index). Index iterators now have the (optional) ability to return conflicts in the index. Prior to this change, they would be omitted, and callers (like diff) would omit conflicted index entries entirely.
1b6c26db	2015-05-13T17:47:26	diff: wrap the iterator functions Wrap the iterator current / advance functions so that we can extend them, but also handle GIT_ITEROVER cases in the iterator funcs instead of the callers.
4beab1f8	2015-03-31T16:29:35	checkout: break case-changes into delete/add When checking out with a case-insensitive working directory, we want to change the case of items in the working directory to reflect changes that occured in the checkout target. Diff now has an option to break case-changing renames into delete/add.
db853748	2015-04-15T15:28:03	Fixed GIT_DIFF_UPDATE_INDEX not being aware of executable bit changes In the prior implementation, enabling GIT_DIFF_UPDATE_INDEX would overwrite entries in the index with the ones generated from scanning the working if the OID was the same. Because this OID comparison ignores file modes, this means an file in the workdir with only an exec bit difference with the one in the index would end up being overwritten, resulting in the exec bit being loss. There might be other related bugs but the fix of comparing OIDs and file modes should address them all.
cc93ad16	2015-04-15T15:27:59	Removed unnecessary condition The variable noid is guaranteed to be zero at this point of the code path.
35df76bd	2015-04-15T15:27:56	Use git_oid_cpy() instead of memcpy()
8a3934e4	2015-03-11T19:29:36	Avoid retaining / releasing the index more than necessary when GIT_DIFF_UPDATE_INDEX is enabled
9a97f49e	2014-12-21T15:31:03	config: borrow refcounted references This changes the get_entry() method to return a refcounted version of the config entry, which you have to free when you're done. This allows us to avoid freeing the memory in which the entry is stored on a refresh, which may happen at any time for a live config. For this reason, get_string() has been forbidden on live configs and a new function get_string_buf() has been added, which stores the string in a git_buf which the user then owns. The functions which parse the string value takea advantage of the borrowing to parse safely and then release the entry.
795eaccd	2015-02-19T11:09:54	git_filter_opt_t -> git_filter_flag_t For consistency with the rest of the library, where an opt is an options structure.
f1453c59	2015-02-12T12:19:37	Make our overflow check look more like gcc/clang's Make our overflow checking look more like gcc and clang's, so that we can substitute it out with the compiler instrinsics on platforms that support it. This means dropping the ability to pass `NULL` as an out parameter. As a result, the macros also get updated to reflect this as well.
392702ee	2015-02-09T23:41:13	allocations: test for overflow of requested size Introduce some helper macros to test integer overflow from arithmetic and set error message appropriately.
0beb7fe4	2014-12-24T11:44:17	Added missing error handling path
f7fcb18f	2014-11-23T14:12:54	Plug leaks Valgrind is now clean except for libssl and libgcrypt.
62a617dc	2014-11-06T16:16:46	iterator: submodules are determined by an index or tree We cannot know from looking at .gitmodules whether a directory is a submodule or not. We need the index or tree we are comparing against to tell us. Otherwise we have to assume the entry in .gitmodules is stale or otherwise invalid. Thus we pass the index of the repository into the workdir iterator, even if we do not want to compare against it. This follows what git does, which even for `git diff <tree>`, it will consider staged submodules as such.
d88766c4	2014-10-26T10:40:46	Changed context_lines and interhunk_lines to uint32_t to match struct s_xdemitconf
dc49e1b5	2014-06-04T15:36:28	Merge remote-tracking branch 'origin/development' into fix-git-status-list-new-unreadable-folder Conflicts: include/git2/diff.h
5e654200	2014-06-04T11:53:44	Implement GIT_DIFF_INCLUDE_UNREADABLE_AS_UNTRACKED
c4366096	2014-05-23T00:28:12	Don't need to duplicate this code.
e8cc3032	2014-05-22T19:43:58	Return GIT_DELTA_UNREADABLE for a file with a mode change
9067d5af	2014-05-21T23:13:24	Remove errant whitespace.
86c9d3da	2014-05-21T22:54:34	Return GIT_FILEMODE_UNREADABLE for files that fail to stat.
61bef72d	2014-05-20T23:57:40	Start adding GIT_DELTA_UNREADABLE and GIT_STATUS_WT_UNREADABLE.
f47bc8ff	2014-05-20T18:16:04	Skip unreadable files for now.
2b52a0bf	2014-05-13T16:32:27	Increase use of config snapshots And decrease extra reload checks of config data.
03fcef18	2014-05-13T12:40:13	Merge pull request #2328 from libgit2/rb/how-broken-can-ignores-be Improve checks for ignore containment
5269008c	2014-05-06T16:01:49	Add filter options and ALLOW_UNSAFE Diff and status do not want core.safecrlf to actually raise an error regardless of the setting, so this extends the filter API with an additional options flags parameter and adds a flag so that filters can be applied with GIT_FILTER_OPT_ALLOW_UNSAFE, indicating that unsafe filter application should be downgraded from a failure to a warning.
f554611a	2014-05-06T12:41:26	Improve checks for ignore containment The diff code was using an "ignored_prefix" directory to track if a parent directory was ignored that contained untracked files alongside tracked files. Unfortunately, when negative ignore rules were used for directories inside ignored parents, the wrong rules were applied to untracked files inside the negatively ignored child directories. This commit moves the logic for ignore containment into the workdir iterator (which is a better place for it), so the ignored-ness of a directory is contained in the frame stack during traversal. This allows a child directory to override with a negative ignore and yet still restore the ignored state of the parent when we traverse out of the child. Along with this, there are some problems with "directory only" ignore rules on container directories. Given "a/*" and "!a/b/c/" (where the second rule is a directory rule but the first rule is just a generic prefix rule), then the directory only constraint was having "a/b/c/d/file" match the first rule and not the second. This was fixed by having ignore directory-only rules test a rule against the prefix of a file with LEADINGDIR enabled. Lastly, spot checks for ignores using `git_ignore_path_is_ignored` were tested from the top directory down to the bottom to deal with the containment problem, but this is wrong. We have to test bottom to top so that negative subdirectory rules will be checked before parent ignore rules. This does change the behavior of some existing tests, but it seems only to bring us more in line with core Git, so I think those changes are acceptable.
bc91347b	2014-04-30T11:16:31	Fix remaining init_options inconsistencies There were a couple of "init_opts()" functions a few more cases of structure initialization that I somehow missed.
702efc89	2014-04-30T10:57:42	Make init_options fns use unsigned ints and macro Use an unsigned int for the version and add a helper macro so the code is simplified (and so the error message is a common string).
9c8ed499	2014-04-29T15:05:58	Remove trace / add git_diff_perfdata struct + api
7a2e56a3	2014-04-29T14:30:15	Get rid of redundant git_diff_options_init fn Since git_diff_init_options was introduced, remove this old fn.
b23b112d	2014-04-29T11:29:49	Add payloads, bitmaps to trace API This is a proposed adjustment to the trace APIs. This makes the trace levels into a bitmask so that they can be selectively enabled and adds a callback-level payload, plus a message-level payload. This makes it easier for me to a GIT_TRACE_PERF callbacks that are simply bypassed if the PERF level is not set.
cd424ad5	2014-04-28T16:39:53	Add GIT_STATUS_OPT_UPDATE_INDEX and use trace API This adds an option to refresh the stat cache while generating status. It also rips out the GIT_PERF stuff I had an makes use of the trace API to keep statistics about what happens during diff.
94fb4aad	2014-04-28T14:48:41	Add diff option to update index stat cache When diff is scanning the working directory, if it finds a file where it is not sure if the index entry matches the working dir, it will recalculate the OID (which is pretty expensive). This adds a new flag to diff so that if the OID calculation finds that the file actually has not changed (i.e. just the modified time was altered or such), then it will refresh the stat cache in the index so that future calls to diff will not have to check the oid again.
0fc8e1f6	2014-04-28T14:34:55	Lay groundwork for updating stat cache in diff This reorganized the diff OID calculation to make it easier to correctly update the stat cache during a diff once the flags to do so are enabled. This includes marking the path of a git_index_entry as const so we can make a "fake" git_index_entry with a "const char *" path and not get warnings. I was a little surprised at how unobtrusive this change was, but I think it's probably a good thing.
8ef4e11a	2014-04-28T14:16:26	Skip diff oid calc when size definitely changed When we think the stat cache in the index seems valid and the size or mode of a file has definitely changed, then don't bother trying to recalculate the OID of the workdir bits to confirm that it is modified - just accept that it is modified. This can result in files that show as modified with no actual diff, but the behavior actually appears to match Git on the command line. This also includes a minor optimization to not perform a submodule lookup on the ".git" directory itself.
240f4af3	2014-04-28T14:04:29	Add build option for diff internal statistics
2ad51b81	2014-04-25T02:04:12	Merge pull request #2241 from libgit2/rb/stash-skip-submodules Improve stash and checkout for ignored + untracked items
219c89d1	2014-04-23T16:28:45	Treat ignored, empty, and untracked dirs different In the iterator, distinguish between ignores and empty directories so that diff and status can ignore empty directories, but checkout and stash can treat them as untracked items.
37da3685	2014-04-22T21:51:54	Make checkout match diff for untracked/ignored dir When diff finds an untracked directory, it emulates Git behavior by looking inside the directory to see if there are any untracked items inside it. If there are only ignored items inside the dir, then diff considers it ignored, even if there is no direct ignore rule for it. Checkout was not copying this behavior - when it found an untracked directory, it just treated it as untracked. Unfortunately, when combined with GIT_CHECKOUT_REMOVE_UNTRACKED, this made is seem that checkout (and stash, which uses checkout) was removing ignored items when you had only asked it to remove untracked ones. This commit moves the logic for advancing past an untracked dir while scanning for non-ignored items into an iterator helper fn, and uses that for both diff and checkout.
8d09efa2	2014-04-22T12:33:27	Use git_diff_get_stats in example/diff + refactor This takes the `--stat` and related example options in the example diff.c program and converts them to use the `git_diff_get_stats` API which nicely formats stats for you. I went to add bar-graph scaling to the stats formatter and noticed that the `git_diff_stats` structure was holding on to all of the `git_patch` objects. Unfortunately, each of these objects keeps the full text of the diff in memory, so this is very expensive. I ended up modifying `git_diff_stats` to keep just the data that it needs to keep and allowed it to release the patches. Then, I added width scaling to the output on top of that. In making the diff example program match 'git diff' output, I ended up removing an newline from the sumamry output which I then had to compensate for in the email formatting to match the expectations. Lastly, I went through and refactored the tests to use a couple of helper functions and reduce the overall amount of code there.
3b4c401a	2014-02-10T13:20:08	Decouple index iterator sort from index This makes the index iterator honor the GIT_ITERATOR_IGNORE_CASE and GIT_ITERATOR_DONT_IGNORE_CASE flags without modifying the index data itself. To take advantage of this, I had to export a number of the internal index entry comparison functions. I also wrote some new tests to exercise the capability.
a56b418d	2014-04-11T22:57:15	Sanitize git_diff_format_email_options' summary parameter It will form part of the subject line and should thus be one line.
d8cc1fb6	2014-04-11T19:15:15	Introduce git_diff_format_email and git_diff_commit_as_email
eb7e17cc	2014-04-08T14:47:20	Update submodules with parent-tracked content This updates how libgit2 treats submodule-like directories that actually have tracked content inside of them. This is a strange corner case, but it seems that many people have abortive submodule setups and then just went ahead and added the files into the parent repository. In this case, we should just treat the submodule as if it was a normal directory. Libgit2 will still try to skip over real submodules and contained repositories that do not have tracked files inside them, but this adds some new handling for cases where the apparently submodule data is in conflict with the actual list of tracked files.
ea1ca3c9	2014-04-01T21:30:52	Fix skipping content of contained repos When doing a diff for use in status, we should never show the content of a git repository contained inside another one. The logic to do this was looking for a .git directory and so when a gitlink plain .git file was used, it was failing to exclude the directory content.
a15c7802	2014-03-25T09:14:48	Make submodules externally refcounted `git_submodule` objects were already refcounted internally in case the submodule name was different from the path at which it was stored. This makes that refcounting externally used as well, so `git_submodule_lookup` and `git_submodule_add_setup` return an object that requires a `git_submodule_free` when done.
b9f81997	2014-03-05T21:49:23	Added function-based initializers for every options struct. The basic structure of each function is courtesy of arrbee.
9950bb4e	2014-01-24T20:23:17	diff: rename the file's 'oid' to 'id' In the same vein as the previous commits in this series.
d541170c	2014-01-24T11:36:41	index: rename an entry's id to 'id' This was not converted when we converted the rest, so do it now.
9cfce273	2013-12-12T12:11:38	Cleanups, renames, and leak fixes This renames git_vector_free_all to the better git_vector_free_deep and also contains a couple of memory leak fixes based on valgrind checks. The fixes are specifically: failure to free global dir path variables when not compiled with threading on and failure to free filters from the filter registry that had not be initialized fully.
26c1cb91	2013-12-09T09:44:03	One more rename/cleanup for callback err functions
c7b3e1b3	2013-12-06T15:42:20	Some callback error check style cleanups I find this easier to read...
25e0b157	2013-12-06T15:07:57	Remove converting user error to GIT_EUSER This changes the behavior of callbacks so that the callback error code is not converted into GIT_EUSER and instead we propagate the return value through to the caller. Instead of using the giterr_capture and giterr_restore functions, we now rely on all functions to pass back the return value from a callback. To avoid having a return value with no error message, the user can call the public giterr_set_str or some such function to set an error message. There is a new helper 'giterr_set_callback' that functions can invoke after making a callback which ensures that some error message was set in case the callback did not set one. In places where the sign of the callback return value is meaningful (e.g. positive to skip, negative to abort), only the negative values are returned back to the caller, obviously, since the other values allow for continuing the loop. The hardest parts of this were in the checkout code where positive return values were overloaded as meaningful values for checkout. I fixed this by adding an output parameter to many of the internal checkout functions and removing the overload. This added some code, but it is probably a better implementation. There is some funkiness in the network code where user provided callbacks could be returning a positive or a negative value and we want to rely on that to cancel the loop. There are still a couple places where an user error might get turned into GIT_EUSER there, I think, though none exercised by the tests.
fcd324c6	2013-12-06T15:04:31	Add git_vector_free_all There are a lot of places that we call git__free on each item in a vector and then call git_vector_free on the vector itself. This just wraps that up into one convenient helper function.
96869a4e	2013-12-03T16:45:39	Improve GIT_EUSER handling This adds giterr_user_cancel to return GIT_EUSER and clear any error message that is sitting around. As a result of using that in places, we need to be more thorough with capturing errors that happen inside a callback when used internally. To help with that, this also adds giterr_capture and giterr_restore so that when we internally use a foreach-type function that clears errors and converts them to GIT_EUSER, it is easier to restore not just the return value, but the actual error message text.
9f77b3f6	2013-11-25T14:21:34	Add config read fns with controlled error behavior This adds `git_config__lookup_entry` which will look up a key in a config and return either the entry or NULL if the key was not present. Optionally, it can either suppress all errors or can return them (although not finding the key is not an error for this function). Unlike other accessors, this does not normalize the config key string, so it must only be used when the key is known to be in normalized form (i.e. all lower-case before the first dot and after the last dot, with no invalid characters). This also adds three high-level helper functions to look up config values with no errors and a fallback value. The three functions are for string, bool, and int values, and will resort to the fallback value for any error that arises. They are: * `git_config__get_string_force` * `git_config__get_bool_force` * `git_config__get_int_force` None of them normalize the config `key` either, so they can only be used for internal cases where the key is known to be in normal format.
3e57069e	2013-11-01T13:49:43	Fix --assume-unchanged support This was never really working right because we were checking the wrong flag and not checking it in all the places that we need to be checking it. I finally got around to writing a test and adding actual support for it.
a5c16f3c	2013-11-01T10:18:03	Add git_diff_options_init helper Sometimes the static initializer for git_diff_options cannot be used and since setting them to all zeroes doesn't actually work quite right, this adds a new helper for that situation. This also adds an explicit new value to the submodule settings options to be used when those enums need static initialization.
8e5a8ef8	2013-11-01T09:51:01	Convert git_index_read to have a "force" flag This is a little more intuitive than the turned-around option that I originally wrote.
4bf630b6	2013-10-31T14:36:52	Make diff and status perform soft index reload This changes `git_index_read` to have two modes - a hard index reload that always resets the index to match the on-disk data (which was the old behavior) and a soft index reload that uses the timestamp / file size information and only replaces the index data if the file on disk has been modified. This then updates the git_status code to do a soft reload unless the new GIT_STATUS_OPT_NO_REFRESH flag is passed in. This also changes the behavior of the git_diff functions that use the index so that when an index is not explicitly passed in (i.e. when the functions call git_repository_index for you), they will also do a soft reload for you. This intentionally breaks the file signature of git_index_read because there has been some confusion about the behavior previously and it seems like all existing uses of the API should probably be examined to select the desired behavior.
3940310e	2013-10-30T13:56:42	Fix some of the glaring errors in GIT_DIFF_REVERSE These changes fix the basic problem with GIT_DIFF_REVERSE being broken for text diffs. The reversed diff entries were getting added to the git_diff correctly, but some of the metadata was kept incorrectly in a way that prevented the text diffs from being generated correctly. Once I fixed that, it became clear that it was not possible to merge reversed diffs correctly. This has a first pass at fixing that problem. We probably need more tests to make sure that is really fixed thoroughly.
74a627f0	2013-10-21T09:07:19	Tweak to git_diff_delta structure for nfiles While the base git_diff_delta structure always contains two files, when we introduce conflict data, it will be helpful to have an indicator when an additional file is involved.
10672e3e	2013-10-15T15:10:07	Diff API cleanup This lays groundwork for separating formatting options from diff creation options. This groups the formatting flags separately from the diff list creation flags and reorders the options. This also tweaks some APIs to further separate code that uses patches from code that just looks at git_diffs.
3ff1d123	2013-10-11T14:51:54	Rename diff objects and split patch.h This makes no functional change to diff but renames a couple of the objects and splits the new git_patch (formerly git_diff_patch) into a new header file.
92d19d16	2013-09-21T09:34:03	Merge pull request #1840 from linquize/warning Fix warning
66566516	2013-09-08T17:15:42	Fix warning
4b11f25a	2013-09-11T16:38:33	Add ident filter This adds the ident filter (that knows how to replace $Id$) and tweaks the filter APIs and code so that git_filter_source objects actually have the updated OID of the object being filtered when it is a known value.
85d54812	2013-08-28T16:44:04	Create public filter object and use it This creates include/sys/filter.h with a basic definition of a git_filter and then converts the internal code to use it. There are related internal objects (git_filter_list) that we will want to publish at some point, but this is a first step.
e38f0d69	2013-08-05T14:06:41	Add rename from rewrites to status In git_diff_paired_foreach, temporarily resort the index->workdir diff list by index path so that we can track a rename in the workdir from head->index->workdir.
125655fe	2013-07-02T16:49:57	Untracked directories with .git should be ignored This restores a behavior that was accidentally lost during some diff refactoring where an untracked directory that contains a .git item should be treated as IGNORED, not as UNTRACKED. The submodule code already detects this, but the diff code was not handling the scenario right. This also updates a number of existing tests that were actually exercising the behavior but did not have the right expectations in place. It actually makes the new `test_diff_submodules__diff_ignore_options` test feel much better because the "not-a-submodule" entries are now ignored instead of showing up as untracked items. Fixes #1697
f9775a37	2013-06-29T23:22:31	Add ignore_submodules to diff options This adds correct support for an equivalent to --ignore-submodules in diff, where an actual ignore value can be passed to diff to override the per submodule settings in the configuration. This required tweaking the constants for ignore values so that zero would not be used and could represent an unset option to the diff. This was an opportunity to move the submodule values into include/git2/types.h and to rename the poorly named DEFAULT values for ignore and update constants to RESET instead. Now the GIT_DIFF_IGNORE_SUBMODULES flag is exactly the same as setting the ignore_submodules option to GIT_SUBMODULE_IGNORE_ALL (which is actually a minor change from the old behavior in that submodules will now be treated as UNMODIFIED deltas instead of being left out totally - if you set GIT_DIFF_INCLUDE_UNMODIFIED). This includes tests for the various new settings.
2e3e273e	2013-06-29T13:20:45	Update diff to new internal submodule status API Submodules now expose an internal status API that allows diff to get back the OID values from the submodule very easily and also to avoiding caching issues and to override the ignore setting for the submodule.
2b672d5b	2013-07-08T22:46:36	Add git_pathspec_match_diff API This adds an additional pathspec API that will match a pathspec against a diff object. This is convenient if you want to handle renames (so you need the whole diff and can't use the pathspec constraint built into the diff API) but still want to tell if the diff had any files that matched the pathspec. When the pathspec is matched against a diff, instead of keeping a list of filenames that matched, instead the API keeps the list of git_diff_deltas that matched and they can be retrieved via a new API git_pathspec_match_list_diff_entry. There are a couple of other minor API extensions here that were mostly for the sake of convenience and to reduce dependencies on knowing the internal data structure between files inside the library.
d2ce27dd	2013-06-24T23:16:06	Add public API for pathspec matching This adds a new public API for compiling pathspecs and matching them against the working directory, the index, or a tree from the repository. This also reworks the pathspec internals to allow the sharing of code between the existing internal usage of pathspec matching and the new external API. While this is working and the new API is ready for discussion, I think there is still an incorrect behavior in which patterns are always matched against the full path of an entry without taking the subdirectories into account (so "s*" will match "subdir/file" even though it wouldn't with core Git). Further enhancements are coming, but this was a good place to take a functional snapshot.
2a16914c	2013-07-03T12:20:34	Remove GIT_STATUS_SHOW_INDEX_THEN_WORKDIR option This option serves no benefit now that the git_status_list API is available. It was of questionable value before and now it would just be a bad idea to use it rather than the indexed API.
9b6075b2	2013-07-03T17:07:20	Fix segfault in git_status_foreach_ext() Add tests for the `GIT_STATUS_SHOW_XXX` flags.
22b6b82f	2013-06-20T12:16:06	Add status flags to force output sort order Files in status will, be default, be sorted according to the case insensitivity of the filesystem that we're running on. However, in some cases, this is not desirable. Even on case insensitive file systems, 'git status' at the command line will generally use a case sensitive sort (like 'ls'). Some GUIs prefer to display a list of file case insensitively even on case-sensitive platforms. This adds two new flags: GIT_STATUS_OPT_SORT_CASE_SENSITIVELY and GIT_STATUS_OPT_SORT_CASE_INSENSITIVELY that will override the default sort order of the status output and give the user control. This includes tests for exercising these new options and makes the examples/status.c program emulate core Git and always use a case sensitive sort.
852ded96	2013-06-20T11:37:58	Fix bug in diff untracked dir scan When scanning untracked directories looking for non-ignored files there was a bug where an empty directory would generate a false error.
f30fff45	2013-06-19T15:27:25	Add index pathspec-based operations This adds three new public APIs for manipulating the index: 1. `git_index_add_all` is similar to `git add -A` and will add files in the working directory that match a pathspec to the index while honoring ignores, etc. 2. `git_index_remove_all` removes files from the index that match a pathspec. 3. `git_index_update_all` updates entries in the index based on the current contents of the working directory, either added the new information or removing the entry from the index.
eefef642	2013-06-13T16:09:53	Always do tree to index diffs case sensitively Trees are always case sensitive. The index is always case preserving and will be case sensitive when it is turned into a tree. Therefore the tree and the index can and should always be compared to one another case sensitively. This will restore the index to case insensitive order after the diff has been generated. Consider this a short-term fix. The long term fix is to have the index always stored both case sensitively and case insensitively (at least on platforms that sometimes require case insensitivity).
351888cf	2013-06-13T15:37:06	Improve case handling in git_diff__paired_foreach This commit reinstates some changes to git_diff__paired_foreach that were discarded during the rebase (because the diff_output.c file had gone away), and also adjusts the case insensitively logic slightly to hopefully deal with either mismatched icase diffs and other case insensitivity scenarios.
a3e8dbb4	2013-06-13T15:32:09	Be more careful about the path with diffs This makes diff more careful about picking the canonical path when generating a delta so that it won't accidentally pick up a case-mismatched path on a case-insensitive file system. This should make sure we use the "most accurate" case correct version of the path (i.e. from the tree if possible, or the index if need be).
6de9b2ee	2013-06-12T21:10:33	util: It's called `memzero`
eb58e2d0	2013-06-12T21:05:48	Merge remote-tracking branch 'arrbee/minor-paranoia' into development
114f5a6c	2013-06-10T10:10:39	Reorganize diff and add basic diff driver This is a significant reorganization of the diff code to break it into a set of more clearly distinct files and to document the new organization. Hopefully this will make the diff code easier to understand and to extend. This adds a new `git_diff_driver` object that looks of diff driver information from the attributes and the config so that things like function content in diff headers can be provided. The full driver spec is not implemented in the commit - this is focused on the reorganization of the code and putting the driver hooks in place. This also removes a few #includes from src/repository.h that were overbroad, but as a result required extra #includes in a variety of places since including src/repository.h no longer results in pulling in the whole world.
3e9e6cda	2013-06-07T09:54:33	Add safe memset and use it This adds a `git__memset` routine that will not be optimized away and updates the places where I memset() right before a free() call to use it.
f658dc43	2013-05-31T14:09:58	Zero memory for major objects before freeing By zeroing out the memory when we free larger objects (i.e. those that serve as collections of other data, such as repos, odb, refdb), I'm hoping that it will be easier for libgit2 bindings to find errors in their object management code.
cee695ae	2013-05-31T12:18:43	Make iterators use GIT_ITEROVER & smart advance 1. internal iterators now return GIT_ITEROVER when you go past the last item in the iteration. 2. git_iterator_advance will "advance" to the first item in the iteration if it is called immediately after creating the iterator, which allows a simpler idiom for basic iteration. 3. if git_iterator_advance encounters an error reading data (e.g. a missing tree or an unreadable file), it returns the error but also attempts to advance past the invalid data to prevent an infinite loop. Updated all tests and internal usage of iterators to account for these new behaviors.
d20b0449	2013-05-24T10:37:40	Clarify GIT_DIFF_INCLUDE_UNTRACKED_CONTENT option This improves the docs for GIT_DIFF_INCLUDE_UNTRACKED_CONTENT as well as the other flags related to UNTRACKED items in diff, plus it makes that flag now automatically turn on GIT_DIFF_INCLUDE_UNTRACKED which seems like a reasonable dwim type of change.

c2e1b058

2015-06-05T18:26:49

Only write index if updated when passing GIT_DIFF_UPDATE_INDEX When diffing the index with the workdir and GIT_DIFF_UPDATE_INDEX has been passed, the previous implementation was always writing the index to disk even if it wasn't modified.

cc605e73

2015-06-23T23:52:03

Merge pull request #3222 from git-up/conflicted Fixed GIT_DELTA_CONFLICTED not returned in some cases

8d8a2eef

2015-06-15T11:14:40

Fixed GIT_DELTA_CONFLICTED not returned in some cases If an index entry for a file that is not in HEAD is in conflicted state, when diffing HEAD with the index, the status field of the corresponding git_diff_delta was incorrectly reported as GIT_DELTA_ADDED instead of GIT_DELTA_CONFLICTED. This was due to handle_unmatched_new_item() initially setting the status to GIT_DELTA_CONFLICTED but then overriding it later with GIT_DELTA_ADDED.

ff475375

2015-06-17T14:34:10

diff: check files with the same or newer timestamps When a file on the workdir has the same or a newer timestamp than the index, we need to perform a full check of the contents, as the update of the file may have happened just after we wrote the index. The iterator changes are such that we can reach inside the workdir iterator from the diff, though it may be better to have an accessor instead of moving these structs into the header.

96dd171e

2015-06-19T08:32:26

diff: preserve original mode in the index When updating the index during a diff, preserve the original mode, which prevents us from dropping the mode to what we have interpreted as on our system (eg, what the working directory claims it to be, which may be a lie on some systems.)

10549a2d

2015-05-19T18:26:04

Introduce `GIT_DIFF_FLAG_EXISTS` Mark the `old_file` and `new_file` sides of a delta with a new bit, `GIT_DIFF_FLAG_EXISTS`, that introduces that a particular side of the delta exists in the diff. This is useful for indicating whether a working directory item exists or not, in the presence of a conflict. Diff users may have previously used DELETED to determine this information.

253a05f7

2015-05-19T11:31:15

diff: prettify `maybe_modified` a little

9f545b9d

2015-05-19T11:23:59

introduce `git_index_entry_is_conflict` It's not always obvious the mapping between stage level and conflict-ness. More importantly, this can lead otherwise sane people to write constructs like `if (!git_index_entry_stage(entry))`, which (while technically correct) is unreadable. Provide a nice method to help avoid such messy thinking.

191e97a0

2015-05-18T18:15:17

diff conflicts: don't include incorrect ID Since a diff entry only concerns a single entry, zero the information for the index side of a conflict. (The index entry would otherwise erroneously include the lowest-stage index entry - generally the ancestor of a conflict.) Test that during status, the index side of the conflict is empty.

7877146f

2015-05-18T15:13:43

diff: for conflicts w/o workdir, blank nitem side Make sure that we provide a blanked nitem side when the item does not exist in the working directory.

7c948014

2015-05-14T14:00:29

diff/status: introduce conflicts When diffing against an index, return a new `GIT_DELTA_CONFLICTED` delta type for items that are conflicted. For a single file path, only one delta will be produced (despite the fact that there are multiple entries in the index). Index iterators now have the (optional) ability to return conflicts in the index. Prior to this change, they would be omitted, and callers (like diff) would omit conflicted index entries entirely.

1b6c26db

2015-05-13T17:47:26

diff: wrap the iterator functions Wrap the iterator current / advance functions so that we can extend them, but also handle GIT_ITEROVER cases in the iterator funcs instead of the callers.

4beab1f8

2015-03-31T16:29:35

checkout: break case-changes into delete/add When checking out with a case-insensitive working directory, we want to change the case of items in the working directory to reflect changes that occured in the checkout target. Diff now has an option to break case-changing renames into delete/add.

db853748

2015-04-15T15:28:03

Fixed GIT_DIFF_UPDATE_INDEX not being aware of executable bit changes In the prior implementation, enabling GIT_DIFF_UPDATE_INDEX would overwrite entries in the index with the ones generated from scanning the working if the OID was the same. Because this OID comparison ignores file modes, this means an file in the workdir with only an exec bit difference with the one in the index would end up being overwritten, resulting in the exec bit being loss. There might be other related bugs but the fix of comparing OIDs and file modes should address them all.

cc93ad16

2015-04-15T15:27:59

Removed unnecessary condition The variable noid is guaranteed to be zero at this point of the code path.

35df76bd

2015-04-15T15:27:56

Use git_oid_cpy() instead of memcpy()

8a3934e4

2015-03-11T19:29:36

Avoid retaining / releasing the index more than necessary when GIT_DIFF_UPDATE_INDEX is enabled

9a97f49e

2014-12-21T15:31:03

config: borrow refcounted references This changes the get_entry() method to return a refcounted version of the config entry, which you have to free when you're done. This allows us to avoid freeing the memory in which the entry is stored on a refresh, which may happen at any time for a live config. For this reason, get_string() has been forbidden on live configs and a new function get_string_buf() has been added, which stores the string in a git_buf which the user then owns. The functions which parse the string value takea advantage of the borrowing to parse safely and then release the entry.

795eaccd

2015-02-19T11:09:54

git_filter_opt_t -> git_filter_flag_t For consistency with the rest of the library, where an opt is an options *structure*.

f1453c59

2015-02-12T12:19:37

Make our overflow check look more like gcc/clang's Make our overflow checking look more like gcc and clang's, so that we can substitute it out with the compiler instrinsics on platforms that support it. This means dropping the ability to pass `NULL` as an out parameter. As a result, the macros also get updated to reflect this as well.

392702ee

2015-02-09T23:41:13

allocations: test for overflow of requested size Introduce some helper macros to test integer overflow from arithmetic and set error message appropriately.

0beb7fe4

2014-12-24T11:44:17

Added missing error handling path

f7fcb18f

2014-11-23T14:12:54

Plug leaks Valgrind is now clean except for libssl and libgcrypt.

62a617dc

2014-11-06T16:16:46

iterator: submodules are determined by an index or tree We cannot know from looking at .gitmodules whether a directory is a submodule or not. We need the index or tree we are comparing against to tell us. Otherwise we have to assume the entry in .gitmodules is stale or otherwise invalid. Thus we pass the index of the repository into the workdir iterator, even if we do not want to compare against it. This follows what git does, which even for `git diff <tree>`, it will consider staged submodules as such.

d88766c4

2014-10-26T10:40:46

Changed context_lines and interhunk_lines to uint32_t to match struct s_xdemitconf

dc49e1b5

2014-06-04T15:36:28

Merge remote-tracking branch 'origin/development' into fix-git-status-list-new-unreadable-folder Conflicts: include/git2/diff.h

5e654200

2014-06-04T11:53:44

Implement GIT_DIFF_INCLUDE_UNREADABLE_AS_UNTRACKED

c4366096

2014-05-23T00:28:12

Don't need to duplicate this code.

e8cc3032

2014-05-22T19:43:58

Return GIT_DELTA_UNREADABLE for a file with a mode change

9067d5af

2014-05-21T23:13:24

Remove errant whitespace.

86c9d3da

2014-05-21T22:54:34

Return GIT_FILEMODE_UNREADABLE for files that fail to stat.

61bef72d

2014-05-20T23:57:40

Start adding GIT_DELTA_UNREADABLE and GIT_STATUS_WT_UNREADABLE.

f47bc8ff

2014-05-20T18:16:04

Skip unreadable files for now.

2b52a0bf

2014-05-13T16:32:27

Increase use of config snapshots And decrease extra reload checks of config data.

03fcef18

2014-05-13T12:40:13

Merge pull request #2328 from libgit2/rb/how-broken-can-ignores-be Improve checks for ignore containment

5269008c

2014-05-06T16:01:49

Add filter options and ALLOW_UNSAFE Diff and status do not want core.safecrlf to actually raise an error regardless of the setting, so this extends the filter API with an additional options flags parameter and adds a flag so that filters can be applied with GIT_FILTER_OPT_ALLOW_UNSAFE, indicating that unsafe filter application should be downgraded from a failure to a warning.

f554611a

2014-05-06T12:41:26

Improve checks for ignore containment The diff code was using an "ignored_prefix" directory to track if a parent directory was ignored that contained untracked files alongside tracked files. Unfortunately, when negative ignore rules were used for directories inside ignored parents, the wrong rules were applied to untracked files inside the negatively ignored child directories. This commit moves the logic for ignore containment into the workdir iterator (which is a better place for it), so the ignored-ness of a directory is contained in the frame stack during traversal. This allows a child directory to override with a negative ignore and yet still restore the ignored state of the parent when we traverse out of the child. Along with this, there are some problems with "directory only" ignore rules on container directories. Given "a/*" and "!a/b/c/" (where the second rule is a directory rule but the first rule is just a generic prefix rule), then the directory only constraint was having "a/b/c/d/file" match the first rule and not the second. This was fixed by having ignore directory-only rules test a rule against the prefix of a file with LEADINGDIR enabled. Lastly, spot checks for ignores using `git_ignore_path_is_ignored` were tested from the top directory down to the bottom to deal with the containment problem, but this is wrong. We have to test bottom to top so that negative subdirectory rules will be checked before parent ignore rules. This does change the behavior of some existing tests, but it seems only to bring us more in line with core Git, so I think those changes are acceptable.

bc91347b

2014-04-30T11:16:31

Fix remaining init_options inconsistencies There were a couple of "init_opts()" functions a few more cases of structure initialization that I somehow missed.

702efc89

2014-04-30T10:57:42

Make init_options fns use unsigned ints and macro Use an unsigned int for the version and add a helper macro so the code is simplified (and so the error message is a common string).

9c8ed499

2014-04-29T15:05:58

Remove trace / add git_diff_perfdata struct + api

7a2e56a3

2014-04-29T14:30:15

Get rid of redundant git_diff_options_init fn Since git_diff_init_options was introduced, remove this old fn.

b23b112d

2014-04-29T11:29:49

Add payloads, bitmaps to trace API This is a proposed adjustment to the trace APIs. This makes the trace levels into a bitmask so that they can be selectively enabled and adds a callback-level payload, plus a message-level payload. This makes it easier for me to a GIT_TRACE_PERF callbacks that are simply bypassed if the PERF level is not set.

cd424ad5

2014-04-28T16:39:53

Add GIT_STATUS_OPT_UPDATE_INDEX and use trace API This adds an option to refresh the stat cache while generating status. It also rips out the GIT_PERF stuff I had an makes use of the trace API to keep statistics about what happens during diff.

94fb4aad

2014-04-28T14:48:41

Add diff option to update index stat cache When diff is scanning the working directory, if it finds a file where it is not sure if the index entry matches the working dir, it will recalculate the OID (which is pretty expensive). This adds a new flag to diff so that if the OID calculation finds that the file actually has not changed (i.e. just the modified time was altered or such), then it will refresh the stat cache in the index so that future calls to diff will not have to check the oid again.

0fc8e1f6

2014-04-28T14:34:55

Lay groundwork for updating stat cache in diff This reorganized the diff OID calculation to make it easier to correctly update the stat cache during a diff once the flags to do so are enabled. This includes marking the path of a git_index_entry as const so we can make a "fake" git_index_entry with a "const char *" path and not get warnings. I was a little surprised at how unobtrusive this change was, but I think it's probably a good thing.

8ef4e11a

2014-04-28T14:16:26

Skip diff oid calc when size definitely changed When we think the stat cache in the index seems valid and the size or mode of a file has definitely changed, then don't bother trying to recalculate the OID of the workdir bits to confirm that it is modified - just accept that it is modified. This can result in files that show as modified with no actual diff, but the behavior actually appears to match Git on the command line. This also includes a minor optimization to not perform a submodule lookup on the ".git" directory itself.

240f4af3

2014-04-28T14:04:29

Add build option for diff internal statistics

2ad51b81

2014-04-25T02:04:12

Merge pull request #2241 from libgit2/rb/stash-skip-submodules Improve stash and checkout for ignored + untracked items

219c89d1

2014-04-23T16:28:45

Treat ignored, empty, and untracked dirs different In the iterator, distinguish between ignores and empty directories so that diff and status can ignore empty directories, but checkout and stash can treat them as untracked items.

37da3685

2014-04-22T21:51:54

Make checkout match diff for untracked/ignored dir When diff finds an untracked directory, it emulates Git behavior by looking inside the directory to see if there are any untracked items inside it. If there are only ignored items inside the dir, then diff considers it ignored, even if there is no direct ignore rule for it. Checkout was not copying this behavior - when it found an untracked directory, it just treated it as untracked. Unfortunately, when combined with GIT_CHECKOUT_REMOVE_UNTRACKED, this made is seem that checkout (and stash, which uses checkout) was removing ignored items when you had only asked it to remove untracked ones. This commit moves the logic for advancing past an untracked dir while scanning for non-ignored items into an iterator helper fn, and uses that for both diff and checkout.

8d09efa2

2014-04-22T12:33:27

Use git_diff_get_stats in example/diff + refactor This takes the `--stat` and related example options in the example diff.c program and converts them to use the `git_diff_get_stats` API which nicely formats stats for you. I went to add bar-graph scaling to the stats formatter and noticed that the `git_diff_stats` structure was holding on to all of the `git_patch` objects. Unfortunately, each of these objects keeps the full text of the diff in memory, so this is very expensive. I ended up modifying `git_diff_stats` to keep just the data that it needs to keep and allowed it to release the patches. Then, I added width scaling to the output on top of that. In making the diff example program match 'git diff' output, I ended up removing an newline from the sumamry output which I then had to compensate for in the email formatting to match the expectations. Lastly, I went through and refactored the tests to use a couple of helper functions and reduce the overall amount of code there.

3b4c401a

2014-02-10T13:20:08

Decouple index iterator sort from index This makes the index iterator honor the GIT_ITERATOR_IGNORE_CASE and GIT_ITERATOR_DONT_IGNORE_CASE flags without modifying the index data itself. To take advantage of this, I had to export a number of the internal index entry comparison functions. I also wrote some new tests to exercise the capability.

a56b418d

2014-04-11T22:57:15

Sanitize git_diff_format_email_options' summary parameter It will form part of the subject line and should thus be one line.

d8cc1fb6

2014-04-11T19:15:15

Introduce git_diff_format_email and git_diff_commit_as_email

eb7e17cc

2014-04-08T14:47:20

Update submodules with parent-tracked content This updates how libgit2 treats submodule-like directories that actually have tracked content inside of them. This is a strange corner case, but it seems that many people have abortive submodule setups and then just went ahead and added the files into the parent repository. In this case, we should just treat the submodule as if it was a normal directory. Libgit2 will still try to skip over real submodules and contained repositories that do not have tracked files inside them, but this adds some new handling for cases where the apparently submodule data is in conflict with the actual list of tracked files.

ea1ca3c9

2014-04-01T21:30:52

Fix skipping content of contained repos When doing a diff for use in status, we should never show the content of a git repository contained inside another one. The logic to do this was looking for a .git directory and so when a gitlink plain .git file was used, it was failing to exclude the directory content.

a15c7802

2014-03-25T09:14:48

Make submodules externally refcounted `git_submodule` objects were already refcounted internally in case the submodule name was different from the path at which it was stored. This makes that refcounting externally used as well, so `git_submodule_lookup` and `git_submodule_add_setup` return an object that requires a `git_submodule_free` when done.

b9f81997

2014-03-05T21:49:23

Added function-based initializers for every options struct. The basic structure of each function is courtesy of arrbee.

9950bb4e

2014-01-24T20:23:17

diff: rename the file's 'oid' to 'id' In the same vein as the previous commits in this series.

d541170c

2014-01-24T11:36:41

index: rename an entry's id to 'id' This was not converted when we converted the rest, so do it now.

9cfce273

2013-12-12T12:11:38

Cleanups, renames, and leak fixes This renames git_vector_free_all to the better git_vector_free_deep and also contains a couple of memory leak fixes based on valgrind checks. The fixes are specifically: failure to free global dir path variables when not compiled with threading on and failure to free filters from the filter registry that had not be initialized fully.

26c1cb91

2013-12-09T09:44:03

One more rename/cleanup for callback err functions

c7b3e1b3

2013-12-06T15:42:20

Some callback error check style cleanups I find this easier to read...

25e0b157

2013-12-06T15:07:57

Remove converting user error to GIT_EUSER This changes the behavior of callbacks so that the callback error code is not converted into GIT_EUSER and instead we propagate the return value through to the caller. Instead of using the giterr_capture and giterr_restore functions, we now rely on all functions to pass back the return value from a callback. To avoid having a return value with no error message, the user can call the public giterr_set_str or some such function to set an error message. There is a new helper 'giterr_set_callback' that functions can invoke after making a callback which ensures that some error message was set in case the callback did not set one. In places where the sign of the callback return value is meaningful (e.g. positive to skip, negative to abort), only the negative values are returned back to the caller, obviously, since the other values allow for continuing the loop. The hardest parts of this were in the checkout code where positive return values were overloaded as meaningful values for checkout. I fixed this by adding an output parameter to many of the internal checkout functions and removing the overload. This added some code, but it is probably a better implementation. There is some funkiness in the network code where user provided callbacks could be returning a positive or a negative value and we want to rely on that to cancel the loop. There are still a couple places where an user error might get turned into GIT_EUSER there, I think, though none exercised by the tests.

fcd324c6

2013-12-06T15:04:31

Add git_vector_free_all There are a lot of places that we call git__free on each item in a vector and then call git_vector_free on the vector itself. This just wraps that up into one convenient helper function.

96869a4e

2013-12-03T16:45:39

Improve GIT_EUSER handling This adds giterr_user_cancel to return GIT_EUSER and clear any error message that is sitting around. As a result of using that in places, we need to be more thorough with capturing errors that happen inside a callback when used internally. To help with that, this also adds giterr_capture and giterr_restore so that when we internally use a foreach-type function that clears errors and converts them to GIT_EUSER, it is easier to restore not just the return value, but the actual error message text.

9f77b3f6

2013-11-25T14:21:34

Add config read fns with controlled error behavior This adds `git_config__lookup_entry` which will look up a key in a config and return either the entry or NULL if the key was not present. Optionally, it can either suppress all errors or can return them (although not finding the key is not an error for this function). Unlike other accessors, this does not normalize the config key string, so it must only be used when the key is known to be in normalized form (i.e. all lower-case before the first dot and after the last dot, with no invalid characters). This also adds three high-level helper functions to look up config values with no errors and a fallback value. The three functions are for string, bool, and int values, and will resort to the fallback value for any error that arises. They are: * `git_config__get_string_force` * `git_config__get_bool_force` * `git_config__get_int_force` None of them normalize the config `key` either, so they can only be used for internal cases where the key is known to be in normal format.

3e57069e

2013-11-01T13:49:43

Fix --assume-unchanged support This was never really working right because we were checking the wrong flag and not checking it in all the places that we need to be checking it. I finally got around to writing a test and adding actual support for it.

a5c16f3c

2013-11-01T10:18:03

Add git_diff_options_init helper Sometimes the static initializer for git_diff_options cannot be used and since setting them to all zeroes doesn't actually work quite right, this adds a new helper for that situation. This also adds an explicit new value to the submodule settings options to be used when those enums need static initialization.

8e5a8ef8

2013-11-01T09:51:01

Convert git_index_read to have a "force" flag This is a little more intuitive than the turned-around option that I originally wrote.

4bf630b6

2013-10-31T14:36:52

Make diff and status perform soft index reload This changes `git_index_read` to have two modes - a hard index reload that always resets the index to match the on-disk data (which was the old behavior) and a soft index reload that uses the timestamp / file size information and only replaces the index data if the file on disk has been modified. This then updates the git_status code to do a soft reload unless the new GIT_STATUS_OPT_NO_REFRESH flag is passed in. This also changes the behavior of the git_diff functions that use the index so that when an index is not explicitly passed in (i.e. when the functions call git_repository_index for you), they will also do a soft reload for you. This intentionally breaks the file signature of git_index_read because there has been some confusion about the behavior previously and it seems like all existing uses of the API should probably be examined to select the desired behavior.

3940310e

2013-10-30T13:56:42

Fix some of the glaring errors in GIT_DIFF_REVERSE These changes fix the basic problem with GIT_DIFF_REVERSE being broken for text diffs. The reversed diff entries were getting added to the git_diff correctly, but some of the metadata was kept incorrectly in a way that prevented the text diffs from being generated correctly. Once I fixed that, it became clear that it was not possible to merge reversed diffs correctly. This has a first pass at fixing that problem. We probably need more tests to make sure that is really fixed thoroughly.

74a627f0

2013-10-21T09:07:19

Tweak to git_diff_delta structure for nfiles While the base git_diff_delta structure always contains two files, when we introduce conflict data, it will be helpful to have an indicator when an additional file is involved.

10672e3e

2013-10-15T15:10:07

Diff API cleanup This lays groundwork for separating formatting options from diff creation options. This groups the formatting flags separately from the diff list creation flags and reorders the options. This also tweaks some APIs to further separate code that uses patches from code that just looks at git_diffs.

3ff1d123

2013-10-11T14:51:54

Rename diff objects and split patch.h This makes no functional change to diff but renames a couple of the objects and splits the new git_patch (formerly git_diff_patch) into a new header file.

92d19d16

2013-09-21T09:34:03

Merge pull request #1840 from linquize/warning Fix warning

66566516

2013-09-08T17:15:42

Fix warning

4b11f25a

2013-09-11T16:38:33

Add ident filter This adds the ident filter (that knows how to replace $Id$) and tweaks the filter APIs and code so that git_filter_source objects actually have the updated OID of the object being filtered when it is a known value.

85d54812

2013-08-28T16:44:04

Create public filter object and use it This creates include/sys/filter.h with a basic definition of a git_filter and then converts the internal code to use it. There are related internal objects (git_filter_list) that we will want to publish at some point, but this is a first step.

e38f0d69

2013-08-05T14:06:41

Add rename from rewrites to status In git_diff_paired_foreach, temporarily resort the index->workdir diff list by index path so that we can track a rename in the workdir from head->index->workdir.

125655fe

2013-07-02T16:49:57

Untracked directories with .git should be ignored This restores a behavior that was accidentally lost during some diff refactoring where an untracked directory that contains a .git item should be treated as IGNORED, not as UNTRACKED. The submodule code already detects this, but the diff code was not handling the scenario right. This also updates a number of existing tests that were actually exercising the behavior but did not have the right expectations in place. It actually makes the new `test_diff_submodules__diff_ignore_options` test feel much better because the "not-a-submodule" entries are now ignored instead of showing up as untracked items. Fixes #1697

f9775a37

2013-06-29T23:22:31

Add ignore_submodules to diff options This adds correct support for an equivalent to --ignore-submodules in diff, where an actual ignore value can be passed to diff to override the per submodule settings in the configuration. This required tweaking the constants for ignore values so that zero would not be used and could represent an unset option to the diff. This was an opportunity to move the submodule values into include/git2/types.h and to rename the poorly named DEFAULT values for ignore and update constants to RESET instead. Now the GIT_DIFF_IGNORE_SUBMODULES flag is exactly the same as setting the ignore_submodules option to GIT_SUBMODULE_IGNORE_ALL (which is actually a minor change from the old behavior in that submodules will now be treated as UNMODIFIED deltas instead of being left out totally - if you set GIT_DIFF_INCLUDE_UNMODIFIED). This includes tests for the various new settings.

2e3e273e

2013-06-29T13:20:45

Update diff to new internal submodule status API Submodules now expose an internal status API that allows diff to get back the OID values from the submodule very easily and also to avoiding caching issues and to override the ignore setting for the submodule.

2b672d5b

2013-07-08T22:46:36

Add git_pathspec_match_diff API This adds an additional pathspec API that will match a pathspec against a diff object. This is convenient if you want to handle renames (so you need the whole diff and can't use the pathspec constraint built into the diff API) but still want to tell if the diff had any files that matched the pathspec. When the pathspec is matched against a diff, instead of keeping a list of filenames that matched, instead the API keeps the list of git_diff_deltas that matched and they can be retrieved via a new API git_pathspec_match_list_diff_entry. There are a couple of other minor API extensions here that were mostly for the sake of convenience and to reduce dependencies on knowing the internal data structure between files inside the library.

d2ce27dd

2013-06-24T23:16:06

Add public API for pathspec matching This adds a new public API for compiling pathspecs and matching them against the working directory, the index, or a tree from the repository. This also reworks the pathspec internals to allow the sharing of code between the existing internal usage of pathspec matching and the new external API. While this is working and the new API is ready for discussion, I think there is still an incorrect behavior in which patterns are always matched against the full path of an entry without taking the subdirectories into account (so "s*" will match "subdir/file" even though it wouldn't with core Git). Further enhancements are coming, but this was a good place to take a functional snapshot.

2a16914c

2013-07-03T12:20:34

Remove GIT_STATUS_SHOW_INDEX_THEN_WORKDIR option This option serves no benefit now that the git_status_list API is available. It was of questionable value before and now it would just be a bad idea to use it rather than the indexed API.

9b6075b2

2013-07-03T17:07:20

Fix segfault in git_status_foreach_ext() Add tests for the `GIT_STATUS_SHOW_XXX` flags.

22b6b82f

2013-06-20T12:16:06

Add status flags to force output sort order Files in status will, be default, be sorted according to the case insensitivity of the filesystem that we're running on. However, in some cases, this is not desirable. Even on case insensitive file systems, 'git status' at the command line will generally use a case sensitive sort (like 'ls'). Some GUIs prefer to display a list of file case insensitively even on case-sensitive platforms. This adds two new flags: GIT_STATUS_OPT_SORT_CASE_SENSITIVELY and GIT_STATUS_OPT_SORT_CASE_INSENSITIVELY that will override the default sort order of the status output and give the user control. This includes tests for exercising these new options and makes the examples/status.c program emulate core Git and always use a case sensitive sort.

852ded96

2013-06-20T11:37:58

Fix bug in diff untracked dir scan When scanning untracked directories looking for non-ignored files there was a bug where an empty directory would generate a false error.

f30fff45

2013-06-19T15:27:25

Add index pathspec-based operations This adds three new public APIs for manipulating the index: 1. `git_index_add_all` is similar to `git add -A` and will add files in the working directory that match a pathspec to the index while honoring ignores, etc. 2. `git_index_remove_all` removes files from the index that match a pathspec. 3. `git_index_update_all` updates entries in the index based on the current contents of the working directory, either added the new information or removing the entry from the index.

eefef642

2013-06-13T16:09:53

Always do tree to index diffs case sensitively Trees are always case sensitive. The index is always case preserving and will be case sensitive when it is turned into a tree. Therefore the tree and the index can and should always be compared to one another case sensitively. This will restore the index to case insensitive order after the diff has been generated. Consider this a short-term fix. The long term fix is to have the index always stored both case sensitively and case insensitively (at least on platforms that sometimes require case insensitivity).

351888cf

2013-06-13T15:37:06

Improve case handling in git_diff__paired_foreach This commit reinstates some changes to git_diff__paired_foreach that were discarded during the rebase (because the diff_output.c file had gone away), and also adjusts the case insensitively logic slightly to hopefully deal with either mismatched icase diffs and other case insensitivity scenarios.

a3e8dbb4

2013-06-13T15:32:09

Be more careful about the path with diffs This makes diff more careful about picking the canonical path when generating a delta so that it won't accidentally pick up a case-mismatched path on a case-insensitive file system. This should make sure we use the "most accurate" case correct version of the path (i.e. from the tree if possible, or the index if need be).

6de9b2ee

2013-06-12T21:10:33

util: It's called `memzero`

eb58e2d0

2013-06-12T21:05:48

Merge remote-tracking branch 'arrbee/minor-paranoia' into development

114f5a6c

2013-06-10T10:10:39

Reorganize diff and add basic diff driver This is a significant reorganization of the diff code to break it into a set of more clearly distinct files and to document the new organization. Hopefully this will make the diff code easier to understand and to extend. This adds a new `git_diff_driver` object that looks of diff driver information from the attributes and the config so that things like function content in diff headers can be provided. The full driver spec is not implemented in the commit - this is focused on the reorganization of the code and putting the driver hooks in place. This also removes a few #includes from src/repository.h that were overbroad, but as a result required extra #includes in a variety of places since including src/repository.h no longer results in pulling in the whole world.

3e9e6cda

2013-06-07T09:54:33

Add safe memset and use it This adds a `git__memset` routine that will not be optimized away and updates the places where I memset() right before a free() call to use it.

f658dc43

2013-05-31T14:09:58

Zero memory for major objects before freeing By zeroing out the memory when we free larger objects (i.e. those that serve as collections of other data, such as repos, odb, refdb), I'm hoping that it will be easier for libgit2 bindings to find errors in their object management code.

cee695ae

2013-05-31T12:18:43

Make iterators use GIT_ITEROVER & smart advance 1. internal iterators now return GIT_ITEROVER when you go past the last item in the iteration. 2. git_iterator_advance will "advance" to the first item in the iteration if it is called immediately after creating the iterator, which allows a simpler idiom for basic iteration. 3. if git_iterator_advance encounters an error reading data (e.g. a missing tree or an unreadable file), it returns the error but also attempts to advance past the invalid data to prevent an infinite loop. Updated all tests and internal usage of iterators to account for these new behaviors.

d20b0449

2013-05-24T10:37:40

Clarify GIT_DIFF_INCLUDE_UNTRACKED_CONTENT option This improves the docs for GIT_DIFF_INCLUDE_UNTRACKED_CONTENT as well as the other flags related to UNTRACKED items in diff, plus it makes that flag now automatically turn on GIT_DIFF_INCLUDE_UNTRACKED which seems like a reasonable dwim type of change.

thodg/libgit2/src/diff.c

src/diff.c

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